Check the listing for details. Google Nest 3rd Generation Learning WIFI Thermostat Back plate Replacement Part. Color: Silver, Condition: New. Listed at 37.95 USD. Thermostat won't stay plugged in, very loose or falling off? Back of thermostat plastic pieces or tabs broken or fell off? Push button feature not working properly? The thermostat won't turn properly since plastic is broken off inside the unit?REPAIR YOUR BROKEN GOOGLE or NEST 3rd Generation Learning Thermostat THIS PART IS UNIVERSAL and works with ALL Google or Nest 3rd Generation ThermostatsThis REPLACEMENT PART entirely replaces and repairs ALL Google or Nest 3rd Generation Learning Thermostat BACK PIECES as shown in picture. Simply take out a few screws, pop off the old one, remove any broken plastic pieces you may find floating inside and place this one back on and the thermostat will work like new again at a FRACTION of the cost of a new one!!PART: Google / Nest 3rd -FIX Broken Tabs or Plastic Pieces on Back or Inside of Thermostat- You will receive one part as shown in the picture.